File name:

Start.exe

Full analysis: https://app.any.run/tasks/6057539a-461c-4c5c-ad0d-cc524d381253
Verdict: Malicious activity
Threats:

njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world.

Malware Trends Tracker     >>>
Analysis date: January 13, 2024, 22:34:02
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
remote
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

CBCA5F756D642DB1AA3096F9249E4F8E

SHA1:

DB852F92E6E36543C1A2FF2540B1B01B948E273C

SHA256:

E5DB949B8889F52C853FDC78CF102EC0D36241FDA79440890002F6EBD4F71E84

SSDEEP:

768:G/QXMZTY9pKj1VDP3jlxR0Fh7spYAmVt:1XMZTY9Ij1VDPjlxRmspPa

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Drops the executable file immediately after the start

      • Start.exe (PID: 2036)
      • Start.exe (PID: 2032)

    • Create files in the Startup directory

      • Start.exe (PID: 2032)

    • NjRAT is detected

      • Start.exe (PID: 2032)

    • NJRAT has been detected (SURICATA)

      • Start.exe (PID: 2032)

    • Connects to the CnC server

      • Start.exe (PID: 2032)

    • Changes the autorun value in the registry

      • Start.exe (PID: 2032)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Start.exe (PID: 2036)
      • Start.exe (PID: 2032)

    • Reads the Internet Settings

      • Start.exe (PID: 2036)

    • Starts itself from another location

      • Start.exe (PID: 2036)

    • Uses NETSH.EXE to add a firewall rule or allowed programs

      • Start.exe (PID: 2032)

    • Reads the BIOS version

      • Start.exe (PID: 2032)

    • Connects to unusual port

      • Start.exe (PID: 2032)

  • INFO

    • Checks supported languages

      • Start.exe (PID: 2036)
      • Start.exe (PID: 2032)

    • Creates files in the program directory

      • Start.exe (PID: 2036)

    • Reads the computer name

      • Start.exe (PID: 2032)
      • Start.exe (PID: 2036)

    • Reads the machine GUID from the registry

      • Start.exe (PID: 2036)
      • Start.exe (PID: 2032)

    • Creates files or folders in the user directory

      • Start.exe (PID: 2032)

    • Reads Environment values

      • Start.exe (PID: 2032)

    • Reads product name

      • Start.exe (PID: 2032)

    • Reads Windows Product ID

      • Start.exe (PID: 2032)

    • Reads CPU info

      • Start.exe (PID: 2032)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:01:13 23:14:57+01:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 29184
InitializedDataSize: 3072
UninitializedDataSize: -
EntryPoint: 0x907e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
FileDescription:
FileVersion: 0.0.0.0
InternalName: k.exe
LegalCopyright:
OriginalFileName: k.exe
ProductVersion: 0.0.0.0
AssemblyVersion: 0.0.0.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start start.exe #NJRAT start.exe netsh.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2032"C:\ProgramData\Start.exe" C:\ProgramData\Start.exe
Start.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\programdata\start.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2036"C:\Users\admin\AppData\Local\Temp\Start.exe" C:\Users\admin\AppData\Local\Temp\Start.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\start.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2408netsh firewall add allowedprogram "C:\ProgramData\Start.exe" "Start.exe" ENABLEC:\Windows\System32\netsh.exe—Start.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\credui.dll
c:\windows\system32\user32.dll
Total events
1 354
Read events
1 283
Write events
70
Delete events
1

Modification events

(PID) Process:(2036) Start.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2036) Start.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2036) Start.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2036) Start.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2032) Start.exeKey:HKEY_CURRENT_USER\Software\8369b02a021d6391b6aeb8e392d2e336
Operation:writeName:hp
Value:
MTQ3LjE4NS4yMjEuMTc6MzA0NDUs
(PID) Process:(2032) Start.exeKey:HKEY_CURRENT_USER\Software\8369b02a021d6391b6aeb8e392d2e336
Operation:writeName:i
Value:
!
(PID) Process:(2032) Start.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(2408) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2032) Start.exeKey:HKEY_CURRENT_USER\Software\8369b02a021d6391b6aeb8e392d2e336
Operation:delete valueName:i
Value:
!
(PID) Process:(2032) Start.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:8369b02a021d6391b6aeb8e392d2e336
Value:
"C:\ProgramData\Start.exe" ..
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2032Start.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8369b02a021d6391b6aeb8e392d2e336.exeexecutable
MD5:CBCA5F756D642DB1AA3096F9249E4F8E
SHA256:E5DB949B8889F52C853FDC78CF102EC0D36241FDA79440890002F6EBD4F71E84
2036Start.exeC:\ProgramData\Start.exeexecutable
MD5:CBCA5F756D642DB1AA3096F9249E4F8E
SHA256:E5DB949B8889F52C853FDC78CF102EC0D36241FDA79440890002F6EBD4F71E84
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
101
DNS requests
4
Threats
28

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2032
Start.exe
147.185.221.17:30445
—
PLAYIT-GG
US
malicious
2032
Start.exe
109.250.138.247:56362
myapps.sytes.net
1&1 Versatel Deutschland GmbH
DE
unknown

DNS requests

Domain
IP
Reputation
myapps.chickenkiller.com
  • 127.0.0.2
unknown
myapps.sytes.net
  • 109.250.138.247
malicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
1080
svchost.exe
Potentially Bad Traffic
ET INFO DYNAMIC_DNS Query to a *.chickenkiller .com Domain
1080
svchost.exe
Potentially Bad Traffic
ET INFO DYNAMIC_DNS Query to a *.sytes.net Domain
1080
svchost.exe
Potentially Bad Traffic
ET INFO DYNAMIC_DNS Query to a *.sytes.net Domain
25 ETPRO signatures available at the full report
No debug info
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Reports
Start.exe